1983 – “Six-Legged Hydraulic Walker” – Ivan Sutherland (American)

1983 "Trojan Cockroach", a Six-Legged Hydraulic Walker by Ivan Sutherland. The Sutherland Walker was a six-legged all-terrain robotic designed by Sutherland Sproull Associates with the Robotics Institute at Carnegie Mellon University under contract to the Defense Advanced Research Projects Agency (DARPA). The robot used a gasoline motor to power its legs and required a driver …